A transfer valve and fluid delivery system

Abstract

The utility model belongs to valve technical field discloses a kind of transmission valve and fluid conveying system.Transmission valve includes valve body, sealing plate, connecting piece, adapter and drive assembly.In the utility model, sealing plate is abutted sealing surface by horizontal direction sliding, and the abutment force of horizontal direction can form the continuous pressure of sealing surface.Simultaneously, the limiting relationship of connecting piece and adapter in vertical direction can avoid the deviation of sealing plate in vertical direction due to fluid impact, to tightly adhere sealing surface.Therefore, when reverse fluid impact sealing plate, the adhering state of sealing plate and sealing surface is more stable, and it is not easy to form gap, thereby improving sealing effect, and improving the reliability of fluid transmission system.

Description

Technical Field

[0001] This utility model relates to the field of valve technology, and in particular to a transmission valve and fluid conveying system. Background Technology

[0002] Transmission valves are key components that ensure fluid is transported along a predetermined path. Their core function is to achieve selective isolation or connection between two chambers through precise opening and closing control of the sealing plate, thereby ensuring the stability and controllability of the fluid transmission process. They are widely used in various industrial fluid transmission systems such as petroleum, chemical, and water conservancy.

[0003] In the prior art, the sealing plate of the transmission valve moves in a direction perpendicular to the fluid delivery direction. That is, the sealing plate reciprocates in a direction perpendicular to the fluid flow to switch the connection between the two chambers. This movement mode is the core structural feature of the existing transmission valve to achieve the sealing and opening / closing functions.

[0004] However, when fluid flows in reverse and impacts the sealing plate during transmission, the impact force generated by the reverse fluid will act on the sealing plate, which can easily cause the sealing plate to shift, creating a gap between it and the sealing surface. This severely affects the sealing effect of the transmission valve and reduces the reliability of the fluid transmission system.

[0005] Therefore, the above problems urgently need to be solved. Utility Model Content

[0006] The purpose of this invention is to provide a transmission valve and a fluid delivery system to improve the sealing effect and enhance the reliability of the fluid delivery system.

[0007] To achieve this objective, the present invention adopts the following technical solution:

[0008] A transfer valve, comprising a valve body, a sealing plate, a connector, an adapter, and a drive assembly, wherein:

[0009] The valve body includes a sealing surface;

[0010] The sealing plate can slide vertically to approach the sealing surface and slide horizontally to abut against the sealing surface, thereby achieving a sealing fit between the sealing plate and the sealing surface.

[0011] The connector mates with the adapter to limit their relative displacement in the vertical direction and allow them to move relative to each other in the horizontal direction.

[0012] The sealing plate is connected to the adapter;

[0013] The drive component is configured to drive the connector to slide vertically and to drive the adapter to slide horizontally.

[0014] Preferably, the drive assembly includes a first drive element, a second drive element, and a control element, wherein:

[0015] The first driving member is used to drive the connecting member to slide in the vertical direction;

[0016] The second driving member is used to drive the adapter to slide horizontally;

[0017] The control element is configured to, after the first drive element drives the connecting member to slide vertically until the sealing plate is close to the sealing surface, control the second drive element to drive the adapter to slide horizontally so that the sealing plate abuts against the sealing surface.

[0018] Preferably, the first driving member includes a first cylinder, the piston rod of the first cylinder is connected to the connecting member, and the second driving member includes a second cylinder, the piston rod of the second cylinder is connected to the adapter.

[0019] The control component includes a reversing valve, which is configured to switch to supplying gas to the second cylinder to drive the adapter to move after the first cylinder drives the connector to move into position by changing the gas supply state to the first cylinder and the second cylinder, so that the sealing plate abuts against the sealing surface.

[0020] Preferably, there are two connectors, and the two connectors respectively mate with the two ends of the adapter in the horizontal direction.

[0021] Preferably, the transmission valve further includes a vertically arranged guide member, and the adapter member and the guide member form a sliding fit to guide the adapter member to move synchronously with the connector in the vertical direction when the connector slides in the vertical direction.

[0022] Preferably, two guide members are provided, and the two guide members respectively form a sliding fit with the two ends of the adapter in the horizontal direction.

[0023] Preferably, the second driving member pushes the guide member to drive the adapter to slide horizontally.

[0024] Preferably, the second driving member is provided in multiple groups, and the two groups of second driving members correspond one-to-one with the two guide members respectively. The multiple second driving members in each group are arranged at intervals along the horizontal extension direction of the corresponding guide member.

[0025] Preferably, the connector and the adapter are respectively provided with a first connecting hole and a second connecting hole, and a fixing pin is inserted into the first connecting hole and the second connecting hole, and the axis of the fixing pin is arranged in the horizontal direction.

[0026] A fluid delivery system includes at least two chambers and the aforementioned transfer valve, wherein the transfer valve is disposed between the two chambers to achieve selective isolation or communication between the two chambers.

[0027] The beneficial effects of this utility model are:

[0028] In this invention, the sealing plate slides horizontally to abut against the sealing surface, and the horizontal abutment force creates a continuous pressing force on the sealing surface. Simultaneously, the vertical positioning of the connecting and transition components prevents the sealing plate from shifting vertically due to fluid impact, ensuring a tight fit against the sealing surface. Therefore, when reverse fluid impacts the sealing plate, the fit between the sealing plate and the sealing surface is more stable, reducing the likelihood of gaps, thus improving the sealing effect and enhancing the reliability of the fluid transmission system. Attached Figure Description

[0029] Figure 1 This is a schematic diagram of the structure of the transmission valve provided by this utility model;

[0030] Figure 2 This is a schematic diagram of the structure of the transmission valve provided by this utility model after removing part of the valve body;

[0031] Figure 3 yes Figure 2 A sectional view along the middle AA;

[0032] Figure 4 yes Figure 2 A cross-sectional view along the middle BB.

[0033] In the picture:

[0034] 1. Valve body; 2. Sealing plate; 3. Connector; 31. First connecting hole; 4. Adapter; 41. Second connecting hole; 5. Drive assembly; 51. First drive component; 52. Second drive component; 53. Control component; 6. Guide component; 7. Fixing pin. Detailed Implementation

[0035] Before explaining any implementation of this application in detail, it should be understood that this application is not limited to its application to the structural details and component arrangements set forth in the following description or shown in the above drawings.

[0036] In this application, the terms "comprising," "including," "having," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes that element.

[0037] In this application, the term "and / or" describes a relationship between related objects, indicating that three relationships can exist. For example, a centrifugal vortex magnetic pump and / or a centrifugal vortex magnetic pump can represent: the existence of only one centrifugal vortex magnetic pump, the simultaneous existence of both a centrifugal vortex magnetic pump and a centrifugal vortex magnetic pump, or the existence of only one centrifugal vortex magnetic pump. Additionally, the character " / " in this application generally indicates that the preceding and following related objects have an "and / or" relationship.

[0038] In this application, the terms "connection," "combination," "coupling," and "installation" can refer to direct connection, combination, coupling, or installation, or indirect connection, combination, coupling, or installation. For example, a direct connection refers to two parts or components being connected together without the need for an intermediary, while an indirect connection refers to two parts or components each being connected to at least one intermediary, with the connection achieved through the intermediary. Furthermore, "connection" and "coupling" are not limited to physical or mechanical connections or couplings, but can also include electrical connections or couplings.

[0039] In this application, those skilled in the art will understand that relative terms (e.g., “about,” “approximately,” “basically,” etc.) used in conjunction with quantities or conditions are to include the values ​​and have the meaning indicated by the context. For example, such relative terms include at least the degree of error associated with the measurement of a particular value, tolerances associated with the particular value due to manufacturing, assembly, use, etc. Such terms should also be considered as disclosing a range defined by the absolute values ​​of the two endpoints. Relative terms may refer to a certain percentage (e.g., 1%, 5%, 10% or more) of the indicated value. Numerical values ​​not using relative terms should also be disclosed as specific values ​​with tolerances. Furthermore, “basically” when expressing relative angular relationships (e.g., substantially parallel, substantially perpendicular) may refer to a certain degree (e.g., 1 degree, 5 degrees, 10 degrees or more) added to or subtracted from the indicated angle.

[0040] In this application, those skilled in the art will understand that the function performed by a component can be performed by one component, multiple components, one part, or multiple parts. Similarly, the function performed by a part can also be performed by one part, one component, or a combination of multiple parts.

[0041] In this application, the directional terms "upper," "lower," "left," "right," "front," and "rear" are used to describe the orientation and positional relationships shown in the accompanying drawings and should not be construed as limiting the embodiments of this application. Furthermore, in the context, it should be understood that when an element is mentioned as being connected "upper" or "lower" to another element, it can be directly connected to the other element "upper" or "lower," or indirectly connected through an intermediate element. It should also be understood that directional terms such as upper side, lower side, left side, right side, front side, and rear side not only represent positive orientation but can also be understood as lateral orientation. For example, "below" can include directly below, lower left, lower right, lower front, and lower rear.

[0042] Please see Figures 1 to 4 This embodiment provides a transmission valve, which includes a valve body 1, a sealing plate 2, a connector 3, an adapter 4, and a drive assembly 5. The valve body 1 includes a sealing surface. The sealing plate 2 is capable of sliding vertically to approach the sealing surface and horizontally to abut against the sealing surface, thereby achieving a sealing fit between the sealing plate 2 and the sealing surface. The connector 3 cooperates with the adapter 4 to limit their relative displacement in the vertical direction and allow them to move relative to each other in the horizontal direction. The sealing plate 2 is connected to the adapter 4. The drive assembly 5 is configured to drive the connector 3 to slide vertically and to drive the adapter 4 to slide horizontally.

[0043] With this configuration, the drive assembly 5 first drives the connector 3 to slide vertically. Since the relative displacement between the connector 3 and the adapter 4 in the vertical direction is restricted, the adapter 4 moves synchronously with the connector 3 in the vertical direction, thereby causing the sealing plate 2 to slide vertically closer to the sealing surface. Once the sealing plate 2 is close to the sealing surface, the drive assembly 5 drives the adapter 4 to slide horizontally. Because the connector 3 and the adapter 4 can move relative to each other in the horizontal direction, the adapter 4 can drive the sealing plate 2 to slide horizontally, ultimately causing the sealing plate 2 to abut against the sealing surface, achieving a sealing fit.

[0044] Understandably, the sealing plate 2 slides horizontally against the sealing surface, and this horizontal contact force creates a continuous pressing force on the sealing surface. Simultaneously, the vertical positioning relationship between the connector 3 and the adapter 4 prevents the sealing plate 2 from shifting vertically due to fluid impact, ensuring a tight fit against the sealing surface. Therefore, when reverse fluid impacts the sealing plate 2, the fit between the sealing plate 2 and the sealing surface is more stable, reducing the likelihood of gaps, thus improving the sealing effect and enhancing the reliability of the fluid transmission system.

[0045] Specifically, the drive assembly 5 includes a first drive member 51, a second drive member 52, and a control member 53. The first drive member 51 drives the connecting member 3 to slide vertically. The second drive member 52 drives the adapter member 4 to slide horizontally. The control member 53 is configured to, after the first drive member 51 drives the connecting member 3 to slide vertically until the sealing plate 2 is close to the sealing surface, control the second drive member 52 to drive the adapter member 4 to slide horizontally, so that the sealing plate 2 abuts against the sealing surface.

[0046] It is understandable that by setting the first driving component 51 and the second driving component 52 to be responsible for the vertical and horizontal sliding of the sealing plate 2 respectively, the two movements of the sealing plate 2 are independently driven, avoiding motion interference or action coupling problems that may occur if a single driving component controls the two movements at the same time.

[0047] It is also understandable that the timing control logic implemented by the control component 53 can ensure that after the first driving component 51 drives the sealing plate 2 close to the sealing surface, the second driving component 52 is then controlled to work so that the sealing plate 2 abuts against the sealing surface. This ensures that the sealing plate 2 completes the approaching action first and then performs the sealing, so that the sealing process proceeds in an orderly manner according to the preset sequence. This can prevent the sealing plate 2 from making horizontal contact before it is sufficiently close to the sealing surface, thereby reducing unnecessary frictional losses. At the same time, it ensures that the horizontal contact force can be applied more accurately to the sealing mating parts, further improving the stability of the sealing effect.

[0048] In this embodiment, the first driving component 51 includes a first cylinder, the piston rod of which is connected to the connecting member 3. The second driving component 52 includes a second cylinder, the piston rod of which is connected to the adapter 4. The control component 53 includes a reversing valve, which is configured to switch to supplying gas to the second cylinder to drive the adapter 4 to move after the first cylinder drives the connecting member 3 to its position, so that the sealing plate 2 abuts against the sealing surface, by changing the gas supply state to the first cylinder and the second cylinder.

[0049] Understandably, the cylinder outputs driving force through gas pressure, and its reciprocating motion is responsive and the output force is stable. It can accurately drive the connecting piece 3 to slide in the vertical direction and the adapter piece 4 to slide in the horizontal direction, ensuring that the sealing plate 2 moves smoothly and accurately when it approaches and abuts the sealing surface.

[0050] More importantly, by changing the gas supply state, the reversing valve can precisely control the working sequence of the first cylinder and the second cylinder. That is, the first cylinder is driven to move the sealing plate 2 vertically towards the sealing surface. After it moves into place, the valve switches to supply gas to the second cylinder, driving the sealing plate 2 to abut against the sealing surface horizontally. This ensures that the movement of the sealing plate 2 is carried out in a preset sequence, avoiding unnecessary friction or incomplete contact between the sealing plate 2 and the sealing surface due to disordered movement sequence, and ensuring that the horizontal contact force can be accurately applied to the sealing mating parts.

[0051] It should be noted that the directional control valve is existing technology and is widely used in pneumatic control systems. It changes the internal gas passage by the reciprocating movement of the valve core, thereby switching the target actuator to which the gas is supplied. In this embodiment, the directional control valve changes the gas supply state to the first cylinder and the second cylinder through the above principle, thereby achieving precise control of their working sequence. Those skilled in the art can understand its specific structure and operation method to achieve the above-mentioned precise control of the working sequence based on existing knowledge, so it will not be described in detail.

[0052] In other embodiments, the first driving member 51 and the second driving member 52 may also employ a servo motor in conjunction with a ball screw slider mechanism. In the vertical direction, a set of servo motors drives the screw to rotate, causing the slider (corresponding to the connecting member 3) to slide in the vertical direction. In the horizontal direction, another set of servo motors drives the screw to rotate, causing the slider (corresponding to the adapter 4) to slide in the horizontal direction. The start and stop sequence of the two sets of motors is controlled by the controller programming to achieve the action of first approaching vertically and then contacting horizontally.

[0053] To further improve the reliability of the seal, there are two connectors 3, which are respectively matched with the two ends of the adapter 4 in the horizontal direction.

[0054] When moving vertically, the two connecting pieces 3 can simultaneously apply vertical driving force from both ends of the adapter 4 to prevent the adapter 4 from tilting due to force on one side, ensuring the stability of the sealing plate 2 when sliding vertically and preventing positional deviation caused by tilting.

[0055] During horizontal movement, the mating relationship at both ends provides bidirectional support to the adapter 4, limiting its swaying during horizontal sliding. This ensures more balanced force on both ends when the sealing plate 2 horizontally abuts against the sealing surface, guaranteeing a tight fit between the sealing plate 2 and the sealing surface and preventing gaps caused by uneven contact on one side. When reverse fluid impacts the sealing plate 2, the connecting parts 3 at both ends enhance the limiting effect on the adapter 4 and the sealing plate 2 from both sides, further resisting the impact force on the offset of the sealing plate 2, thereby improving the reliability of the seal.

[0056] To further improve the reliability of the seal, the transmission valve also includes a vertically arranged guide 6, and the adapter 4 and the guide 6 form a sliding fit so as to guide the adapter 4 to move synchronously with the connector 3 in the vertical direction when the connector 3 slides in the vertical direction.

[0057] When the connector 3 drives the adapter 4 to move vertically, the guide 6 can constrain the movement trajectory of the adapter 4, preventing the adapter 4 from shifting or swaying horizontally due to uneven force or external factors during vertical sliding. This ensures that the adapter 4 and the sealing plate 2 connected to it move strictly in the vertical direction, thereby ensuring that the sealing plate 2 can accurately approach the preset position of the sealing surface. This reduces the positional deviation of the sealing plate 2 during the approach stage, laying the foundation for the precise fit of the sealing surface in the subsequent horizontal direction. When the reverse fluid impacts, the guide constraint can also enhance the stability of the sealing plate 2 in the vertical direction, indirectly improving the sealing effect.

[0058] In this embodiment, two guide members 6 are provided, and the two guide members 6 respectively form a sliding fit with the two ends of the adapter 4 in the horizontal direction. When the adapter 4 moves in the vertical direction, the two guide members 6 form a symmetrical constraint on it from the two horizontal ends of the adapter 4, which can further limit the horizontal offset or torsion of the adapter 4, making the vertical movement trajectory of the adapter 4 more accurate and stable.

[0059] Specifically, the second driving member 52 drives the adapter 4 to slide horizontally by pushing the guide member 6. With this configuration, the guide member 6 itself forms a sliding engagement with the adapter 4. As a force transmission medium, it can evenly transmit the horizontal force of the second driving member 52 to both ends of the adapter 4 through the guide member 6 (since the guide member 6 corresponds to the horizontal ends of the adapter 4), avoiding the adapter 4 from twisting or shifting due to force on one side, and ensuring that the movement of both ends is synchronized during horizontal sliding.

[0060] Meanwhile, during force transmission, the guide component 6, through its sliding engagement with the adapter 4, further constrains the horizontal movement trajectory of the adapter 4, reducing lateral swaying during sliding and making the horizontal displacement of the adapter 4 and the sealing plate 2 more precise. Furthermore, the guide component 6 combines vertical guidance and horizontal force transmission functions, eliminating the need for an additional horizontal drive guide structure, simplifying the overall structural layout, improving transmission efficiency and motion stability, and ultimately ensuring the positional accuracy and reliable fit of the sealing plate 2 during horizontal contact.

[0061] Furthermore, there are multiple second driving members 52, which are divided into two groups. The two groups of second driving members 52 correspond one-to-one with the two guide members 6. The multiple second driving members 52 in each group are arranged at intervals along the horizontal extension direction of the corresponding guide member 6.

[0062] Understandably, the two sets of driving components correspond to the two guide components 6 respectively, ensuring that the two guide components 6 are subjected to symmetrical forces and preventing the adapter 4 from twisting due to uneven driving forces at both ends. Furthermore, the multiple driving components in each set are spaced apart along the horizontal extension direction of the guide component 6, distributing the horizontal thrust to multiple points on the guide component 6. This makes the force on the guide component 6 more uniform along its length, reducing bending or deformation of the guide component 6 due to excessive force at a single point. Especially when the guide component 6 extends horizontally for a long time, this effectively avoids local stress concentration and ensures the structural stability of the guide component 6.

[0063] The connector 3 and the adapter 4 are respectively provided with a first connecting hole 31 and a second connecting hole 41. A fixing pin 7 passes through the first connecting hole 31 and the second connecting hole 41, and the axis of the fixing pin 7 is set in the horizontal direction. It can be understood that the connection method using the fixing pin 7 results in a compact structure and low assembly difficulty. In addition, the horizontal axis setting facilitates the installation and removal of the pin from the side, and subsequent maintenance does not require extensive disassembly of other parts, thus improving assembly efficiency and maintenance convenience.

[0064] This embodiment also provides a fluid delivery system, which includes at least two chambers and the aforementioned transfer valve. The transfer valve is disposed between the two chambers to achieve selective isolation or communication between the two chambers. It is understood that the fluid delivery system including the aforementioned transfer valve has good sealing performance and can improve the reliability of fluid delivery.

[0065] Obviously, the above embodiments of this utility model are merely examples for clearly illustrating the present utility model, and are not intended to limit the implementation of the present utility model. Those skilled in the art can make various obvious changes, readjustments, and substitutions without departing from the protection scope of this utility model. It is neither necessary nor possible to exhaustively describe all embodiments here. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of this utility model should be included within the protection scope of the claims of this utility model.

Claims

1. A transfer valve, characterized in that, The transmission valve includes a valve body (1), a sealing plate (2), a connector (3), an adapter (4), and a drive assembly (5), wherein: The valve body (1) includes a sealing surface; The sealing plate (2) can slide vertically to approach the sealing surface and slide horizontally to abut against the sealing surface, thereby achieving a sealing fit between the sealing plate (2) and the sealing surface. The connector (3) cooperates with the adapter (4) to limit the relative displacement of the two in the vertical direction and allow the two to move relative to each other in the horizontal direction; The sealing plate (2) is connected to the adapter (4); The drive assembly (5) is configured to drive the connector (3) to slide in the vertical direction and to drive the adapter (4) to slide in the horizontal direction.

2. The transmission valve according to claim 1, characterized in that, The drive assembly (5) includes a first drive element (51), a second drive element (52), and a control element (53), wherein: The first driving member (51) is used to drive the connecting member (3) to slide in the vertical direction; The second driving member (52) is used to drive the adapter (4) to slide in the horizontal direction; The control element (53) is configured to control the second drive element (52) to drive the adapter (4) to slide in the horizontal direction after the first drive element (51) drives the connector (3) to slide in the vertical direction to the sealing plate (2) near the sealing surface, so that the sealing plate (2) abuts against the sealing surface.

3. A transmission valve according to claim 2, characterized in that, The first driving member (51) includes a first cylinder, the piston rod of the first cylinder is connected to the connecting member (3), and the second driving member (52) includes a second cylinder, the piston rod of the second cylinder is connected to the adapter (4). The control element (53) includes a reversing valve configured to control the first cylinder to drive the connecting member (3) to move into position after the first cylinder drives the connecting member (3) to move by changing the gas supply state to the first cylinder and the second cylinder, and then switch to supplying gas to the second cylinder to drive the adapter (4) to move so that the sealing plate (2) abuts against the sealing surface.

4. A transmission valve according to claim 1, characterized in that, There are two connectors (3), and the two connectors (3) respectively cooperate with the two ends of the adapter (4) in the horizontal direction.

5. A transmission valve according to claim 2, characterized in that, The transmission valve also includes a vertically arranged guide (6), and the adapter (4) and the guide (6) form a sliding fit to guide the adapter (4) to move synchronously with the connector (3) in the vertical direction when the connector (3) slides in the vertical direction.

6. A transmission valve according to claim 5, characterized in that, Two guide members (6) are provided, and the two guide members (6) respectively form a sliding fit with the two ends of the adapter (4) in the horizontal direction.

7. A transmission valve according to claim 6, characterized in that, The second drive member (52) drives the adapter (4) to slide horizontally by pushing the guide member (6).

8. A transmission valve according to claim 7, characterized in that, The second drive member (52) is provided in multiple and divided into two groups. The two groups of second drive members (52) correspond one-to-one with the two guide members (6). The multiple second drive members (52) in each group are arranged at intervals along the horizontal extension direction of the corresponding guide member (6).

9. A transmission valve according to claim 1, characterized in that, The connector (3) and the adapter (4) are respectively provided with a first connecting hole (31) and a second connecting hole (41). A fixing pin (7) is inserted into the first connecting hole (31) and the second connecting hole (41), and the axis of the fixing pin (7) is set in the horizontal direction.

10. A fluid transport system, characterized in that, The fluid delivery system includes at least two chambers and a transfer valve as described in any one of claims 1-9, the transfer valve being disposed between the two chambers to achieve selective isolation or communication between the two chambers.

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